Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Crescent 14%

03:09

18:09

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad
07 OK
08 OK
09 Bad
10 OK

Sun - Rise: 06:07, Set: 20:28, Transit: 13:17. Moon - Rise: 03:09, Set: 18:09. Civil Dark: 21:04 - 05:31. Nautical Dark: 21:50 - 04:45. Astro Dark: 22:44 - 03:51

Total Clouds (% Sky Obscured)

52
56
77
73
50
41
34
39
61
73
52
37
27
32
23
33
26
44
73
77
43
40
52
29

Low Clouds (% Sky Obscured)

38
23
45
44
45
18
31
20
22
24
33
32
25
23
17
27
20
36
67
73
29
15
17
26

Medium Clouds (% Sky Obscured)

37
11
10
34
17
21
24
22
36
67
31
16
8
22
12
10
12
27
37
32
31
34
48
20

High Clouds (% Sky Obscured)

8
40
58
52
10
23
0
15
39
7
13
1
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
7
5
2
1
1
1
1
1
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1

Precipitation Amount (mm)

0.05
0.25
0.15
0.08
0.06
0.05
0.04
0.04
0.04
0
0
0
0
0.05
0.07
0.06
0.05
0.04
0.04
0.04
0.05
0.05
0.06
0.06

Wind Speed/Direction (mph)

17
21
22
23
24
24
25
26
26
25
24
25
23
21
22
21
20
19
17
17
18
17
17
18

Chance of Frost

Temperature (°C)

16
17
17
16
16
16
17
17
16
16
15
15
15
15
15
15
15
14
14
14
14
15
16
16

Feels Like (°C)

16
17
17
16
16
16
17
17
16
16
15
15
15
15
15
15
15
14
14
14
14
15
16
16

Dew Point (°C)

12
10
10
10
10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

75
66
67
68
69
69
68
67
69
73
76
79
80
80
80
79
79
79
80
82
82
79
75
71

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1018
1018
1018
1019
1019

Ozone (du)

355
364
370
371
368
365
360
355
351
349
348
348
347
347
346
347
348
349
348
347
346
345
345
343

Saturday 19

Waning Crescent 7%

04:19

19:01

11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:08, Set: 20:26, Transit: 13:16. Moon - Rise: 04:19, Set: 19:01. Civil Dark: 21:02 - 05:32. Nautical Dark: 21:48 - 04:47. Astro Dark: 22:41 - 03:54

Total Clouds (% Sky Obscured)

38
39
29
43
52
62
68
69
21
64
97
97
73
73
77
98
84
99
84
66
93
97
95
100

Low Clouds (% Sky Obscured)

37
39
29
42
52
62
68
69
13
29
2
1
5
2
2
2
4
3
4
1
2
26
16
45

Medium Clouds (% Sky Obscured)

16
8
3
8
0
0
0
0
0
0
0
16
27
38
40
64
69
49
10
22
32
95
95
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
9
48
97
96
66
59
66
96
59
98
82
62
92
60
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
2

Precipitation Amount (mm)

0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.05
0.06
0.06

Wind Speed/Direction (mph)

18
19
20
20
20
20
19
19
19
16
15
15
14
13
13
12
11
10
8
9
9
9
10
10

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
17
16
15
15
15
15
15
15
15
15
15
14
15
15
16
16

Feels Like (°C)

17
17
17
17
17
17
17
17
17
16
15
15
15
15
15
15
15
15
15
14
15
15
16
16

Dew Point (°C)

11
11
11
11
11
11
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
11
11
11

Relative Humidity (%)

68
66
65
66
66
65
64
64
66
69
72
73
74
74
74
74
74
75
75
75
75
75
74
73

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

339
334
329
325
323
321
318
317
315
315
314
313
312
311
309
307
305
303
302
301
300
299
297
295

Sunday 20

Waning Crescent 2%

05:33

19:44

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:10, Set: 20:24, Transit: 13:16. Moon - Rise: 05:33, Set: 19:44. Civil Dark: 21:00 - 05:34. Nautical Dark: 21:45 - 04:49. Astro Dark: 22:38 - 03:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
98
99
100
98
100
100
100
100
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
99
100
100
100
100
100
99
98
95
99
99
98
100
100
100
100
100
99
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
94
66
98
94
67
72
75
77
65
50
61
67
73
77
42
31
11
14
14
14
14

High Clouds (% Sky Obscured)

0
9
3
1
0
0
1
0
0
56
20
1
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
9
7
7
7
7
7
7
7
6
6
5
7
8
9
8
7
6
7
8
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
4
9
10
8
11
20
23
24
22
19
12
7
6
5
4
3
2
1
1
0
0
0
0

Precipitation Amount (mm)

0.05
0.09
0.15
0.15
0.13
0.16
0.34
0.71
0.96
0.74
0.38
0.18
0.12
0.11
0.1
0.09
0.08
0.07
0.05
0.03
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
11
12
12
11
9
8
8
10
10
10
10
10
10
10
10
10
9
9
8
8
8

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
19

Feels Like (°C)

17
17
17
17
17
17
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
19
19

Dew Point (°C)

12
13
13
14
14
14
15
15
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16

Relative Humidity (%)

73
74
77
80
82
83
83
85
87
89
91
91
90
89
89
89
88
88
88
89
90
89
87
83

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

293
291
289
288
288
287
287
287
287
287
286
286
286
287
287
287
287
286
286
286
285
285
284
284

Monday 21

New Moon 0%

06:48

20:19

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:11, Set: 20:22, Transit: 13:16. Moon - Rise: 06:48, Set: 20:19. Civil Dark: 20:58 - 05:36. Nautical Dark: 21:43 - 04:51. Astro Dark: 22:35 - 04:00

Total Clouds (% Sky Obscured)

100
100
99
99
99
99
99
99
68
68
68
68
68
68
39
39
39
39
39
39
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
99
99
99
99
99
99
41
41
41
41
41
41
39
39
39
39
39
39
100
100
100
100

Medium Clouds (% Sky Obscured)

14
14
26
26
26
26
26
26
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
43
43
43
43
43
43
0
0
0
0
0
0
45
45
45
45

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
8
6
6
7
7
9
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.03
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
7
6
6
6
5
5
4
2
1
1
3
4
5
6
6
7
7
7
7
8
8

Chance of Frost

Temperature (°C)

20
21
21
21
22
22
22
22
21
20
19
18
18
18
18
18
18
17
17
17
16
17
18
20

Feels Like (°C)

20
21
21
21
22
22
22
22
21
20
19
19
18
18
18
18
18
17
17
17
16
17
18
20

Dew Point (°C)

16
16
16
17
17
17
17
17
17
17
16
16
16
16
16
15
15
15
15
14
14
15
16
16

Relative Humidity (%)

79
76
75
74
73
72
72
74
78
82
85
87
86
86
85
85
85
85
85
87
88
88
86
82

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1017
1017
1017
1016
1016

Ozone (du)

284
283
283
283
284
284
284
284
284
284
284
285
285
285
285
285
284
284
284
285
285
285
285
285

Tuesday 22

Waxing Crescent 1%

08:03

20:49

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:13, Set: 20:20, Transit: 13:16. Moon - Rise: 08:03, Set: 20:49. Civil Dark: 20:55 - 05:37. Nautical Dark: 21:40 - 04:53. Astro Dark: 22:32 - 04:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
89
89
89
89
89
89
96
96
96
96
96
96
99
99
99
99

Low Clouds (% Sky Obscured)

100
100
99
99
99
99
99
99
53
53
53
53
53
53
1
1
1
1
1
1
23
23
23
23

Medium Clouds (% Sky Obscured)

0
0
48
48
48
48
48
48
1
1
1
1
1
1
0
0
0
0
0
0
63
63
63
63

High Clouds (% Sky Obscured)

45
45
100
100
100
100
100
100
71
71
71
71
71
71
96
96
96
96
96
96
98
98
98
98

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
2
4
6
7
8
7
5
2
1
0
0
0
0
0
1
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.05
0.09
0.14
0.19
0.21
0.21
0.19
0.13
0.07
0.03
0
0
0
0
0
0.02
0.02
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
11
11
11
11
11
10
9
8
7
7
5
9
11
11
11
12
13
14
14
14
14
14

Chance of Frost

Temperature (°C)

21
22
23
23
23
24
24
23
22
21
20
19
18
18
17
17
17
17
17
16
16
16
17
18

Feels Like (°C)

21
22
23
23
23
24
24
23
23
21
20
19
18
18
17
17
17
17
17
16
16
16
17
18

Dew Point (°C)

17
17
17
17
16
16
16
16
16
16
16
16
16
15
15
15
14
14
14
13
13
13
13
13

Relative Humidity (%)

77
72
70
68
65
62
61
63
67
73
79
83
86
87
87
86
85
82
82
83
83
81
78
74

Pressure (mb)

1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014

Ozone (du)

284
284
284
284
285
285
286
287
288
288
289
289
290
290
291
293
296
298
301
303
306
308
310
312

Wednesday 23

Waxing Crescent 4%

09:15

21:16

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:15, Set: 20:18, Transit: 13:15. Moon - Rise: 09:15, Set: 21:16. Civil Dark: 20:53 - 05:39. Nautical Dark: 21:38 - 04:55. Astro Dark: 22:28 - 04:05

Total Clouds (% Sky Obscured)

99
99
86
86
86
86
86
86
88
88
88
88
88
88
60
60
60
60
60
60
98
98
98
98

Low Clouds (% Sky Obscured)

23
23
31
31
31
31
31
31
6
6
6
6
6
6
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

63
63
41
41
41
41
41
41
17
17
17
17
17
17
28
28
28
28
28
28
20
20
20
20

High Clouds (% Sky Obscured)

98
98
73
73
73
73
73
73
85
85
85
85
85
85
48
48
48
48
48
48
97
97
97
97

ISS Passover

Visibility (miles)

10
10
10
10
10
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
2
2
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.03
0
0
0
0
0.03
0.05
0.05
0.04
0

Wind Speed/Direction (mph)

14
14
15
14
14
15
15
15
15
14
13
13
13
12
12
12
11
12
12
12
12
12
11
11

Chance of Frost

Temperature (°C)

18
19
19
19
19
19
19
19
18
17
17
16
16
16
16
16
16
16
16
16
16
16
17
17

Feels Like (°C)

18
19
19
19
19
19
19
19
18
17
17
16
16
16
16
16
16
16
16
16
16
16
17
17

Dew Point (°C)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
14
14
14
14
14
14
14
14
14
14

Relative Humidity (%)

71
70
69
70
69
68
67
68
71
75
78
81
83
85
86
87
87
86
86
87
87
85
82
78

Pressure (mb)

1014
1014
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1014
1015
1015
1015
1015
1015
1016

Ozone (du)

311
310
308
306
304
302
301
301
301
301
301
302
303
305
307
308
308
308
309
310
311
312
312
313

Thursday 24

Waxing Crescent 10%

10:25

21:41

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:16, Set: 20:15, Transit: 13:15. Moon - Rise: 10:25, Set: 21:41. Civil Dark: 20:51 - 05:41. Nautical Dark: 21:35 - 04:57. Astro Dark: 22:25 - 04:07

Total Clouds (% Sky Obscured)

98
98
95
95
95
95
95
95
39
39
39
39
39
39
30
30
30
30
30
30
99
99
99
99

Low Clouds (% Sky Obscured)

0
0
3
3
3
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
99
99
99
99

Medium Clouds (% Sky Obscured)

20
20
21
21
21
21
21
21
38
38
38
38
38
38
30
30
30
30
30
30
32
32
32
32

High Clouds (% Sky Obscured)

97
97
95
95
95
95
95
95
2
2
2
2
2
2
1
1
1
1
1
1
77
77
77
77

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.05
0.04
0
0

Wind Speed/Direction (mph)

11
11
12
12
13
13
13
12
12
11
11
10
10
9
9
7
8
9
9
9
10
10
11
11

Chance of Frost

Temperature (°C)

18
19
19
19
19
19
19
19
18
18
17
16
16
15
15
15
15
15
15
14
14
15
16
18

Feels Like (°C)

18
19
19
19
19
19
19
19
18
18
17
16
16
15
15
15
15
15
15
14
14
15
16
18

Dew Point (°C)

13
13
13
13
13
13
13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
13
13

Relative Humidity (%)

75
72
71
71
71
70
68
69
71
73
76
78
79
81
82
83
83
82
83
84
85
83
78
74

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

313
313
312
312
312
311
311
311
311
312
312
313
313
313
313
312
312
312
312
312
312
312
311
311

Forecast for Watchet, Somerset, UK (51.18,-3.33)

Generated: 18/08/17 11:52:58. Forecast: 18/08/17 to 24/08/17. Timezone: UTC+1.00